code: def _parse_data_fields(sdf):
      # TODO This just returns a list of data fields.
  
      start = sdf.index("M  END") + 1
  
      return sdf[start:] if start < len(sdf) else []
  
imports: import ast
  import sys
  import joblib
  import networkx
  import numpy
  import pandas
  import scipy.sparse
  from spektral.data.graph import Graph
label_desc: Use image node_id 19 for calling a global function with example usage: _parse_data_fields(sdf) and returns: unknown